." >> coming up next on "nightline" powerball machines are cranking across america tonight as countless dreamers bet on a half billion dollar jackpot. we will separate the mass from the emotion. and the young star of a hit tv sitcom stages a moral rebellion. that's on "nightline." >>> there is a growing gang problem on the peninsula where a coalition of police chiefs is banding together. the top cops from menlo park and palo alto spoke before the menlo park city council about their latest strategy. abc7 news reporter alan wang was at that meeting tonight. >> in just the past four weeks, the bell haven area of menlo park has been claimed with four separate shooting. >> menlo park, east palo alto and palo alto are teaming up to stop a gang war on their streets. the bloody shootout on november 2nd that left four men badly wounded convinced the police chief to form a task force called smart, an acro anymore for strategic multi agency response team. >> no innocent bystanders have been struck by the bullets. >> almost two weeks ago, a 42-year-old man was murdered on the same street. police ha